1 ; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
2 ; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
4 declare float @llvm.fabs.f32(float) #1
5 declare double @llvm.fabs.f64(double) #1
7 ; SI-LABEL: {{^}}test_isinf_pattern:
8 ; SI: v_mov_b32_e32 [[MASK:v[0-9]+]], 0x204{{$}}
9 ; SI: v_cmp_class_f32_e32 vcc, s{{[0-9]+}}, [[MASK]]
12 define amdgpu_kernel void @test_isinf_pattern(i32 addrspace(1)* nocapture %out, float %x) #0 {
13 %fabs = tail call float @llvm.fabs.f32(float %x) #1
14 %cmp = fcmp oeq float %fabs, 0x7FF0000000000000
15 %ext = zext i1 %cmp to i32
16 store i32 %ext, i32 addrspace(1)* %out, align 4
20 ; SI-LABEL: {{^}}test_not_isinf_pattern_0:
23 define amdgpu_kernel void @test_not_isinf_pattern_0(i32 addrspace(1)* nocapture %out, float %x) #0 {
24 %fabs = tail call float @llvm.fabs.f32(float %x) #1
25 %cmp = fcmp ueq float %fabs, 0x7FF0000000000000
26 %ext = zext i1 %cmp to i32
27 store i32 %ext, i32 addrspace(1)* %out, align 4
31 ; SI-LABEL: {{^}}test_not_isinf_pattern_1:
34 define amdgpu_kernel void @test_not_isinf_pattern_1(i32 addrspace(1)* nocapture %out, float %x) #0 {
35 %fabs = tail call float @llvm.fabs.f32(float %x) #1
36 %cmp = fcmp oeq float %fabs, 0xFFF0000000000000
37 %ext = zext i1 %cmp to i32
38 store i32 %ext, i32 addrspace(1)* %out, align 4
42 ; SI-LABEL: {{^}}test_isfinite_pattern_0:
44 ; SI: v_mov_b32_e32 [[MASK:v[0-9]+]], 0x1f8{{$}}
45 ; SI: v_cmp_class_f32_e32 vcc, s{{[0-9]+}}, [[MASK]]
48 define amdgpu_kernel void @test_isfinite_pattern_0(i32 addrspace(1)* nocapture %out, float %x) #0 {
49 %ord = fcmp ord float %x, 0.000000e+00
50 %x.fabs = tail call float @llvm.fabs.f32(float %x) #1
51 %ninf = fcmp une float %x.fabs, 0x7FF0000000000000
52 %and = and i1 %ord, %ninf
53 %ext = zext i1 %and to i32
54 store i32 %ext, i32 addrspace(1)* %out, align 4
58 ; Use negative infinity
59 ; SI-LABEL: {{^}}test_isfinite_not_pattern_0:
60 ; SI-NOT: v_cmp_class_f32
62 define amdgpu_kernel void @test_isfinite_not_pattern_0(i32 addrspace(1)* nocapture %out, float %x) #0 {
63 %ord = fcmp ord float %x, 0.000000e+00
64 %x.fabs = tail call float @llvm.fabs.f32(float %x) #1
65 %ninf = fcmp une float %x.fabs, 0xFFF0000000000000
66 %and = and i1 %ord, %ninf
67 %ext = zext i1 %and to i32
68 store i32 %ext, i32 addrspace(1)* %out, align 4
73 ; SI-LABEL: {{^}}test_isfinite_not_pattern_1:
74 ; SI-NOT: v_cmp_class_f32
76 define amdgpu_kernel void @test_isfinite_not_pattern_1(i32 addrspace(1)* nocapture %out, float %x) #0 {
77 %ord = fcmp ord float %x, 0.000000e+00
78 %ninf = fcmp une float %x, 0x7FF0000000000000
79 %and = and i1 %ord, %ninf
80 %ext = zext i1 %and to i32
81 store i32 %ext, i32 addrspace(1)* %out, align 4
85 ; fabs of different value
86 ; SI-LABEL: {{^}}test_isfinite_not_pattern_2:
87 ; SI-NOT: v_cmp_class_f32
89 define amdgpu_kernel void @test_isfinite_not_pattern_2(i32 addrspace(1)* nocapture %out, float %x, float %y) #0 {
90 %ord = fcmp ord float %x, 0.000000e+00
91 %x.fabs = tail call float @llvm.fabs.f32(float %y) #1
92 %ninf = fcmp une float %x.fabs, 0x7FF0000000000000
93 %and = and i1 %ord, %ninf
94 %ext = zext i1 %and to i32
95 store i32 %ext, i32 addrspace(1)* %out, align 4
99 ; Wrong ordered compare type
100 ; SI-LABEL: {{^}}test_isfinite_not_pattern_3:
101 ; SI-NOT: v_cmp_class_f32
103 define amdgpu_kernel void @test_isfinite_not_pattern_3(i32 addrspace(1)* nocapture %out, float %x) #0 {
104 %ord = fcmp uno float %x, 0.000000e+00
105 %x.fabs = tail call float @llvm.fabs.f32(float %x) #1
106 %ninf = fcmp une float %x.fabs, 0x7FF0000000000000
107 %and = and i1 %ord, %ninf
108 %ext = zext i1 %and to i32
109 store i32 %ext, i32 addrspace(1)* %out, align 4
113 ; Wrong unordered compare
114 ; SI-LABEL: {{^}}test_isfinite_not_pattern_4:
115 ; SI-NOT: v_cmp_class_f32
117 define amdgpu_kernel void @test_isfinite_not_pattern_4(i32 addrspace(1)* nocapture %out, float %x) #0 {
118 %ord = fcmp ord float %x, 0.000000e+00
119 %x.fabs = tail call float @llvm.fabs.f32(float %x) #1
120 %ninf = fcmp one float %x.fabs, 0x7FF0000000000000
121 %and = and i1 %ord, %ninf
122 %ext = zext i1 %and to i32
123 store i32 %ext, i32 addrspace(1)* %out, align 4
127 attributes #0 = { nounwind }
128 attributes #1 = { nounwind readnone }